*b.c             [*b.c]
b.c              [b.c]
.b.c             [.b.c]
*.b.c            [*.b.c]
*.c              [*.c]
*                [*]
.                [.]
*@y.c            [*@y.c]
10.9.8.7         [10.9.8.7]
192.168.0.0/16   [192.168.0.0/16]
++aa.bb          [++aa.bb]
++               [++]
